From: Bhupesh Sharma Date: Fri, 1 Mar 2013 19:46:28 +0000 (+0100) Subject: usb: gadget: uvc: Add fix for UVC compliance test suite assertion 6.3.90 failure X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=609a0532a4d713819092a9311ffe89faa6bac617;p=linux-beck.git usb: gadget: uvc: Add fix for UVC compliance test suite assertion 6.3.90 failure As per UVC compliance test specification's assertion number 6.3.90 related to 'Standard VS Isochronous Video Data Endpoint Descriptor Assertions', the bits D3..2 of 'bmAttributes' field of Standard VS Isochronous Video Data Endpoint Descriptor should be 01 (binary) to indicate that the synchronization type is ASYNCHRONOUS. This mandatory requirement has been captured in section 3.10.1.1 of the UVC Video Class Specification version 1.1 This patch adds a fix for the same. Signed-off-by: Bhupesh Sharma Signed-off-by: Laurent Pinchart Tested-by: Bhupesh Sharma Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c index 87b5306d1255..76ec10fa5f2b 100644 --- a/drivers/usb/gadget/f_uvc.c +++ b/drivers/usb/gadget/f_uvc.c @@ -153,7 +153,8 @@ static struct usb_endpoint_descriptor uvc_fs_streaming_ep __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, - .bmAttributes = USB_ENDPOINT_XFER_ISOC, + .bmAttributes = USB_ENDPOINT_SYNC_ASYNC + | USB_ENDPOINT_XFER_ISOC, /* The wMaxPacketSize and bInterval values will be initialized from * module parameters. */ @@ -165,7 +166,8 @@ static struct usb_endpoint_descriptor uvc_hs_streaming_ep __initdata = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, - .bmAttributes = USB_ENDPOINT_XFER_ISOC, + .bmAttributes = USB_ENDPOINT_SYNC_ASYNC + | USB_ENDPOINT_XFER_ISOC, /* The wMaxPacketSize and bInterval values will be initialized from * module parameters. */ @@ -178,7 +180,8 @@ static struct usb_endpoint_descriptor uvc_ss_streaming_ep __initdata = { .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, - .bmAttributes = USB_ENDPOINT_XFER_ISOC, + .bmAttributes = USB_ENDPOINT_SYNC_ASYNC + | USB_ENDPOINT_XFER_ISOC, /* The wMaxPacketSize and bInterval values will be initialized from * module parameters. */